This circuit is like a special watering can for NiMH batteries, the kind you find in cameras, toys and other gadgets. Regular chargers might not be perfect for these batteries, but this NiMH charger circuit is designed to give them exactly the right amount of power to keep them going strong for a long time. […]
Battery Charger Circuits
Simple Fast Charger Circuit with Auto Cut Off
This circuit is a speedy charger for batteries like the ones in cars and backup power systems. It can juice up your battery extra fast, but do not worry about overcharging. The circuit has a built in safety feature that automatically stops charging once the battery is full, keeping it healthy and lasting longer. So […]
Battery Charger Circuit using a Solar Panel and 220V Supply
This clever circuit charges your battery with sunshine and regular electricity. It uses a solar panel to soak up the suns rays during the day and keeps your battery charged. But do not worry about cloudy days, it can also use regular electricity 220V at night to keep things going. Plus, it has a backup […]
Automatic Lead Acid Battery Charger Circuit
This circuit shows you how to build a smart charger for car batteries lead acid batteries! Unlike a regular charger this one automatically stops charging the battery when it is full so you do not have to worry about overcharging it. This is handy for cars backup power supplies UPS, and other things that use […]
Simple Self Discharge Battery Protection Circuit
This article shows you how to build a simple circuit to protect a car battery lead acid battery when it is not being used. The circuit helps the battery stay charged for longer and keeps it healthy. Building circuits with car batteries can be dangerous. Experiment with adult supervision or someone who knows how to […]
Simple Battery Saver Circuit
Some electronics, like remote controls and calculators, have a special circuit to protect the batteries. This circuit helps keep the batteries from draining too quickly if you accidentally leave the device on. But even with this circuit, the batteries will still slowly lose power over time. Objective of the Circuit The discussed battery saver circuit […]